Chemical Engineering MCQs

Page No. 837

Annealing of cast iron__________________?


aSoftens it to facilitate machining


bDecreases the free carbon


cIncreases the strength


dNone of these



The dew point of moist air becomes ____________________ with decrease in its relative humidity ?


aLess than the wet bulb temperature


bMore than the wet bulb temperature


cMore than the dry bulb temperature


dEqual to wet bulb temperature



Basicity [%Cao + %MgO + %SiO2) of the slag in Indian blast furnace is in the range of___________________?


a0.7-1.0


b1.1-1.4


c1.5 – 1.8


d2.0 – 2.5


View Answer 1.1-1.4

The most commonly used moderator in nuclear power plants is__________________?


aGraphite


bLight water


cHeavy water


dBeryllium


View Answer Graphite

_____________________ remains constant during the adiabatic cooling of moist air?


aWet bulb temperature


bDry bulb temperature


cRelative humidity


dSpecific humidity


View Answer Wet bulb temperature

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a _______________ calorimeter ?


aBomb


bThrottling


cJunker’s


dBoy’s


View Answer Throttling

Yield strength of a material is determined by the __________________ test?


aCreep


bTension


cCompression


dEndurance


View Answer Tension

Hot extrusion process is not used for making____________________?


aCast iron pipe for domestic water supply


bAluminium curtain rods


cStainless steel tubes used in furnitures


dAny of these



In an eutectic system, two elements are completely____________________?


aSoluble in solid state


bInsoluble in liquid state


cInsoluble in both solid & liquid state


dSoluble in liquid state



Maraging steels derive their strength from the following mechanism ?


aA fine, highly dislocated and strong martensite


bFine dispersions of inter-metallic of Fe, Ni, Ti etc


cFine dispersions of alloy carbides in a ferrite matrix


dFine dispersions of Fe3 C nucleated on dislocations in austenite



Goto Page No.

Page 837 of 843

Alphabetical MCQs Categories

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan